private float getScrollScaleRatio() {
final Page page = pages.get(0);
if (page == null || page.bounds == null) {
return 0;
}
final float v = zoomModel.getZoom();
return getWidth() * v / page.bounds.width();
}
void invalidatePageSizes() {
if (!isInitialized) {
return;
}
float heightAccum = 0;
int width = getWidth();
float zoom = zoomModel.getZoom();
for (int i = 0; i < pages.size(); i++) {
Page page = pages.get(i);
float pageHeight = page.getPageHeight(width, zoom);
page.setBounds(new RectF(0, heightAccum, width * zoom, heightAccum + pageHeight));
heightAccum += pageHeight;
}
}
private int getRightLimit() {
return (int) (getWidth() * zoomModel.getZoom()) - getWidth();
}